List of U.S. state fossils

From Simple English Wikipedia, the free encyclopedia
Map showing which states have state fossils (in blue; states without fossils are gray.)

Most American states have a state fossil. Many times these were selected in the 1980s.

Some states do not have a state fossil.

List of state fossils[change | change source]

State Period Common name Binomial
nomenclature 		Image Adoption date
Alabama Eocene Basilosaurus (early whale) Basilosaurus cetoides 1984[1]
Alaska Pleistocene Woolly mammoth Mammuthus primigenius
Arizona Triassic petrified wood Araucarioxylon arizonicum
California Pleistocene Saber-toothed cat Smilodon fatalis
Colorado Jurassic Stegosaurus Stegosaurus armatus 1982
Connecticut Jurassic dinosaur tracks Eubrontes giganteus
Delaware Cretaceous Belemnite Belemnitella americana
District of Columbia Cretaceous "Capitalsaurus"
(state dinosaur) 		unused name
Florida Eocene agatized coral
(state stone) 		Cnidaria, Anthozoa
Georgia Cretaceous–
Miocene 		shark tooth undetermined
Idaho Pliocene Hagerman horse Equus simplicidens
Illinois Pennsylvanian Tully Monster Tullimonstrum gregarium
Kentucky Ordovician–
Pennsylvanian 		Brachiopod undetermined 1986[2]
Louisiana Oligocene petrified palmwood Palmoxylon
Maine Devonian Pertica plant Pertica quadrifaria
Maryland Miocene Murex gastropod Ecphora gardnerae
Massachusetts Jurassic Dinosaur tracks undetermined
Michigan Holocene American mastodon Mammut americanum 2002
Mississippi Eocene Basilosaurus
and Zygorhiza
Basilosaurus cetoides
Zygorhiza kochii
Missouri Pennsylvanian Sea lily Delocrinus missouriensis 1989
Montana Cretaceous Duck-billed dinosaur Maiasaura peeblesorum
Nebraska Pleistocene Woolly mammoth
Columbian mammoth
Imperial mammoth 		Mammuthus Primigenius
Mammuthus columbi
Mammuthus imperator
Nevada Triassic Shonisaurus Shonisaurus popularis
New Jersey Cretaceous duck-billed dinosaur Hadrosaurus foulkii
New Mexico Triassic Coelophysis Coelophysis bauri
New York Silurian Sea scorpion Eurypterus remipes 1984
North Dakota Palaeocene shipworm-bored
petrified wood 		Teredo petrified wood
Ohio Ordovician Trilobite Isotelus 1985
Oklahoma Jurassic Saurophaganax Saurophaganax maximus
Oregon Eocene Dawn redwood Metasequoia glyptostroboides 2005
Pennsylvania Devonian Trilobite Phacops rana 1988
South Dakota Cretaceous Triceratops Triceratops horridus
Tennessee Cretaceous Bivalve Pterotrigonia thoracica
Texas Cretaceous Pleurocoelus Pleurocoelus nanus
Utah Jurassic Allosaurus Allosaurus fragilis 1988[3]
Vermont Pleistocene Beluga Whale Delphinapterus leucas 1993
Virginia Caenozoic Scallop Chesapecten jeffersonius 1993
Washington Pleistocene Columbian mammoth Mammuthus columbi 1998[4]
West Virginia Late Pleistocene Jefferson's ground sloth Megalonyx jeffersonii 2008[5]
Wisconsin Ordovician–
Silurian 		Trilobite Calymene celebra 1985[6]
Wyoming Eocene Knightia Knightia 18 February 1987

References[change | change source]

  1. ↑ "Official State of Alabama Fossil". Alabama Emblems, Symbols and Honors. Alabama Department of Archives & History. 2005-08-02. Archived from the original on 2007-12-30. Retrieved 2007-03-19.
  2. ↑ "Kentucky State Symbols". Kentucky Department of Libraries and Archives. 2007-03-30. Archived from the original on 2007-07-31. Retrieved 2007-07-02.
  3. ↑ Utah State Fossil - Allosaurus Archived 2010-06-17 at the Wayback Machine from pioneer.utah.gov "Pioneer - Utah's Online Library" page. Retrieved on 2008-09-08
  4. ↑ http://www1.leg.wa.gov/Legislature/StateSymbols/ Archived 2007-03-05 at the Wayback Machine WA State Symbols
  5. ↑ http://www.herald-dispatch.com/homepage/x112312085 Manchins signs bills involving snakes, fossils, research into law
  6. ↑ "Wisconsin State Symbols". State of Wisconsin. Archived from the original on 2010-01-12. Retrieved 2011-12-19.

Other websites[change | change source]

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